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JMBS · ARCA · ETF

Janus Henderson Mortgage-Backed Securities ETF (JMBS) Price, Holdings & Fees

$528.65−0.86%−$4.58End-of-day price as of Oct 9, 2026

Janus Henderson Mortgage-Backed Securities ETF (JMBS) closed at $528.65 on Oct 9, 2026, down 0.86% from the previous close of $533.23.

Share price, past year

1Y +40.82%

52-week range $374.43 – $554.17. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$528.65
Sep 30, 2026$536.17
Aug 31, 2026$525.25
Jul 31, 2026$520.18
Jun 30, 2026$495.37
May 29, 2026$507.48
Apr 30, 2026$471.22
Mar 31, 2026$464.78
Feb 27, 2026$442.56
Jan 30, 2026$434.92
Dec 31, 2025$416.60
Nov 28, 2025$403.25
Oct 31, 2025$388.98

Key statistics

Expense ratio
0.21%
as of Feb 28, 2026
Net assets
$6.7B
as of Jul 31, 2026
Holdings
631
as of Jul 31, 2026
52-week range
$374.43 – $554.17

Janus Henderson Mortgage-Backed Securities ETF's expense ratio is 0.21%: $21.00 a year on $10,000 invested.

Holdings

Janus Henderson Mortgage-Backed Securities ETF held 631 investments worth $6.68B as of Jul 31, 2026. Its largest holding was FNMA or FHLMC, at 16.97% of the fund.

Janus Henderson Mortgage-Backed Securities ETF largest holdings by share of net assets
#Holding% of fundValue
1FNMA or FHLMC16.97%$1.13B
2GNMA8.87%$593.00M
3FNMA or FHLMC7.55%$504.52M
4FNMA4.59%$306.50M
5FNMA or FHLMC4.21%$281.13M
6FNMA or FHLMC3.82%$255.58M
7FNMA or FHLMC3.66%$244.55M
8GNMA2.87%$192.09M
9FNMA or FHLMC2.69%$179.46M
10GNMA2.45%$163.58M
11GNMA2.37%$158.13M
12FNMA or FHLMC2.07%$138.01M
13FNMA1.99%$133.04M
14FNMA1.88%$125.34M
15GNMA1.73%$115.68M
16GNMA1.60%$106.77M
17FNMA1.59%$106.41M
18FHLMC Pool1.58%$105.77M
19FNMA1.47%$98.01M
20FNMA1.39%$93.11M
21GNMA1.38%$92.35M
22FNMA1.36%$90.84M
23FNMA1.25%$83.46M
24FNMA1.25%$83.22M
25FHLMC Pool1.20%$80.51M

Top 25 of 631 holdings, as of Jul 31, 2026. Percentages are of the fund's net assets.

What the fund owns

Janus Henderson Mortgage-Backed Securities ETF holdings by asset type
Asset type% of fund
Mortgage-backed securities121.25%
Other asset-backed securities8.50%
Bonds and other debt0.92%
Cash and short-term investments0.52%
Interest rate derivatives0.13%
Janus Henderson Mortgage-Backed Securities ETF holdings by country, largest 1
Country% of fund
United States131.32%

Shares of net assets from the fund's N-PORT report. Funds that borrow can add up to more than 100%, with borrowing (such as repurchase agreements) shown as a negative share.

Monthly total returns

Over the 3 months to Jul 31, 2026, Janus Henderson Mortgage-Backed Securities ETF's total return was −1.03%, as reported to the SEC.

Janus Henderson Mortgage-Backed Securities ETF monthly total returns
MonthTotal return
Jul 31, 2026−1.51%
Jun 30, 2026+0.21%
May 31, 2026+0.27%

The fund's own total returns as reported to the SEC (N-PORT), including reinvested distributions. Not the sample prices above.

Fund profile

Name
Janus Henderson Mortgage-Backed Securities ETF
Ticker
JMBS
Exchange
ARCA
Fund type
ETF
Trust
Janus Detroit Street Trust
SEC series ID
S000063007
SEC CIK
0001500604
Fractional shares
Yes

Recent SEC filings

Shareholder reports and prospectuses are filed by Janus Detroit Street Trust, the trust behind Janus Henderson Mortgage-Backed Securities ETF, and cover all of its funds.

Frequently asked questions

What is JMBS's price?

Janus Henderson Mortgage-Backed Securities ETF (JMBS) closed at $528.65 on Oct 9, 2026, down 0.86% from the previous close of $533.23.

What is JMBS's expense ratio?

Janus Henderson Mortgage-Backed Securities ETF's expense ratio is 0.21%: $21.00 a year on $10,000 invested.

What does JMBS hold?

Janus Henderson Mortgage-Backed Securities ETF held 631 investments worth $6.68B as of Jul 31, 2026. Its largest holding was FNMA or FHLMC, at 16.97% of the fund. Its five largest holdings were FNMA or FHLMC, GNMA, FNMA or FHLMC, FNMA, FNMA or FHLMC.

How has JMBS performed?

Over the 3 months to Jul 31, 2026, Janus Henderson Mortgage-Backed Securities ETF's total return was −1.03%, as reported to the SEC.

Sources and methodology

Holdings, net assets and monthly returns come from the fund's N-PORT filing with the SEC, as of Jul 31, 2026 (filed Sep 25, 2026). The expense ratio is from the fund's prospectus or shareholder report, as of Feb 28, 2026. Prices are generated sample data for development. Data sources and disclosures